Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
tan yang » dan yang, tan ying, tan yong
kang hay » eang hay, dang hai, kang tae
kang han » kang chen, kong hang, zhang han
yun tan » yun jang
yang xi » yang di, yang yi, yang jui

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((ying yang) OR (yang yang)) yun tan yang xi ((kang hay) OR (kang han)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((ying yang) OR (yang yang)) yun tan yang xi ((kang hay) or (kang han)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((ying yang) OR (yang yang)) yun tan yang xi ((kang hay) or (kang han)) ;*.